Wall-mounted back scrubber



FIG. 1 is a top perspective view of a wall-mounted back scrubber, showing our new design.

FIG. 2 is a front elevation view thereof;

FIG. 3 is a right side elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines illustrate environmental features that form no part of the claimed design. 

CLAIM The ornamental design for a wall-mounted back scrubber, as shown and described. 